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1、插值法介绍（Introductionofinterpolationmethod）1,thedistancereciprocalmethodThereciprocalreciprocalsquaregridmethodisaweightedmeaninterpolationmethodthatcanbeinterpolatedinanexactorsmoothway.Thesquareparametercontrolshowtheweightcoefficientdecreasesasthedistancefromonegridnodein
2、creases.Foralargersquare,thecloserdatapointsaregivenahigherweightshare,andforasmallernumberofsquares,theweightsareevenlydistributedtoeachdatapoint.Whencalculatingagridnode,theweightsgiventoaspecificdatapointareproportionaltothereciprocalofthedistancefromthenodetotheobserv
3、ationpoint.Whencalculatingagridnode,theweightofthedistributionisafraction,andthesumofallweightsisequalto1.Whenanobservationpointcoincideswithagridnode,theobservationpointisgivenanactualweightof1,andallotherobservationpointsaregivenaweightofalmost0.Inotherwords,thenodeisas
4、signedaconsistentvaluetotheobservationpoint.Thisisanexactinterpolation.Oneofthecharacteristicsofdistancereciprocalmethodistoproducearoundtheobservationpointposition"NIUYANinregionalgrid".Asmoothparametercanbespecifiedwhenthegridofreciprocaldistanceisused.Thesmoothparamete
5、rguaranteesgreaterthanzero.Foraparticularnode,noobservationpointisassignedallweights,eveniftheobservationpointscoincidewiththenode.Smoothparametersthroughthesmoothinginterpolationgridhasbeentoreduce"NIUYAN"effect.2,theKrigingmethodKrigingmethodisaveryusefulinmanyareasofth
6、egeologicalstatisticsgridmethod.TheKrigingmethodtryingtodothatrepresenttheimplicitinyourdatatrend,forexample,willbeconnectedalongahighridge,insteadofbeingisolatedbythecontourshapeofbovine.TheKrigingmethodcontainsseveralfactors:variationmodel,drifttypeandoreblockeffect.3,m
7、inimumcurvaturemethodTheminimumcurvaturemethodiswidelyusedingeosciences.Theinterpolationsurfacegeneratedbytheminimumcurvaturemethodissimilartoathinelasticstripwithminimumbendingquantitythrougheachdatavalue.Theminimumcurvaturemethodtriestogeneratedataassmoothaspossiblewhil
8、erespectingdataasstrictlyaspossible.Theminimumcurvaturemethodinvolvestwoparameters:themaximumres
